#1B7B9F#1B7B9F

#1B7B9F is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.7% C 0.100 H 229.2°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#1B7B9F
RGB	rgb(27, 123, 159)
HSL	hsl(196, 71%, 36%)
HSV	hsv(196, 83%, 62%)
CMYK	cmyk(83%, 22.6%, 0%, 37.6%)
CIE-LAB	lab(48.13, -13.71, -26.86)
CIE-LCH	lch(48.13, 30.15, 242.96°)
OKLab	oklab(54.7% -0.0654 -0.0756)
OKLCH	oklch(54.7% 0.1 229.2)
XYZ	xyz(13.7904, 16.9004, 35.3294)
Luminance	0.1690 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7B9F #9F3F1B

analogous

#1B9F81 #1B7B9F #1B399F

triadic

#1B7B9F #9F1B7B #7B9F1B

tetradic

#1B7B9F #811B9F #9F3F1B #399F1B

square

#1B7B9F #811B9F #9F3F1B #399F1B

split-complementary

#1B7B9F #9F1B39 #9F811B

monochromatic

#092A36 #12536B #1B7B9F #24A3D3 #53BBE2

Accessibility & contrast

On white

4.79

#1B7B9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#1B7B9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7B9F

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7B9F	#FFFFFF	#000000	##FFFFFF
##1B7B9F	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6879A1

Deuteranopia (green-blind)

#576D9E

Tritanopia (blue-blind)

#008587

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1b7b9f;
/* rgb */ color: rgb(27, 123, 159);
/* oklch */ color: oklch(54.7% 0.100 229.2);

Tailwind

colors: {
  custom: {
    50: '#6fa1bb',
    500: '#1b7b9f',
    950: '#000000',
  },
}

SCSS

$custom: #1b7b9f;
$custom-light: #6fa1bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7b9f",
  "rgb": {
    "r": 27,
    "g": 123,
    "b": 159
  },
  "hsl": {
    "h": 196.364,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.54696,
    "c": 0.09994,
    "h": 229.2
  },
  "luminance": 0.16902
}

Semantic roles & 50–950 ramp

primary

#1B7B9F

secondary

#C57151

accent

#6B3AEE

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #1B7B9F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →